“…One large vessel contained an unattached embolus, which appeared to have broken off from an organizing thrombus in the left iliac vein. It has been demon¬ strated that parenterally injected protein will maintain nitrogen balance in dogs,3 and Addis 4 showed that in rats parenterally injected protein leads to great increase in urea in the urine. Involving most of the lower lobe of the right lung was a pneumonia characterized by the presence of a peculiar interstitial infiltrate ( fig.…”